Achillea millefolium (Yarrow)
Camellia sinensis (Green tea)
Curcuma longa (Tumeric)
Ephedra sinica (Ma huang)
Foeniculum vulgare (Fennel)
Geranium maculatum (Wild geranium, Cranesbill)
Glycyrrhiza glabra (Licorice)
Harpagophytum procumbens (Devil's claw, Grapple plant)
Humulus lupulus (Hops)
Larrea tridentata (Chapparrel, Creosote bush, Creosotum)
Linum usitatissimum (Flax, Linseed)
Mentha piperita (Peppermint)
Petasites hybridus (Butterbur)
Piper methysticum (Kava kava)
Polygonum multiflorum (Fo-ti, He-shou-wu)
Ruscus aculeatus (Butcher's broom)
Scutellaria laterifolia (Skullcap)
Tussilago farfara (Colt's foot)
Withania somnifera (Ashwagandha)

References